/*** 
    Simple jQuery Slideshow Script
    Released by Jon Raasch (jonraasch.com) under FreeBSD license: free to use or modify, not responsible for anything, etc.  Please link out to me if you like it :)
***/

function slideSwitch() {
    var $active = $('#slideshow IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    // uncomment the 3 lines below to pull the images in random order
    
    // var $sibs  = $active.siblings();
    // var rndNum = Math.floor(Math.random() * $sibs.length );
    // var $next  = $( $sibs[ rndNum ] );


    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 2000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 5000 );
	var supported =  /MSIE ((5\.5)|[6,7])/.test(navigator.userAgent) && navigator.platform == "Win32";
	if(supported)  
		fixPngImages('content');
});



function fixPngImage(img,src) {
	if (/\.png$/i.test(src)) {
		img.setAttribute('src','clear.gif');
		img.style.filter = "progid:DXImageTransform.Microsoft." +
					"AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
	}
}

function fixPngImages(id) {
	var src;
	var imgArr = document.getElementById(id).getElementsByTagName('img');
	for(var i=0;i<imgArr.length;i++){
		src = imgArr[i].getAttribute('src');
		fixPngImage(imgArr[i],src);
	}	
}